Lua APA (7ú heag.)

GOPALKRISHAN P. (1979). MANAGEMENT OF QUALITY AND INSPECTION. TATA MCGRAW.

Lua i Stíl Chicago (17ú heag.)

GOPALKRISHAN P. MANAGEMENT OF QUALITY AND INSPECTION. TATA MCGRAW, 1979.

Lua MLA (9ú heag.)

GOPALKRISHAN P. MANAGEMENT OF QUALITY AND INSPECTION. TATA MCGRAW, 1979.

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